/Engine/Source/Runtime/ApplicationCore/Public/GenericPlatform/Accessibility/GenericAccessibleInterfaces.h
Request a function to be run in a particular thread. Primarily used to service accessibility requests from the OS thread about accessible Slate widget data in the game thread.
virtual void RunInThread ( const [TFunction](API\Runtime\Core\GenericPlatform\TFunction)< void()> & Function, bool bWaitForCompletion, [ENamedThreads::Type](API\Runtime\Core\Async\ENamedThreads__Type) Thread )